Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A first base station comprising: a transmission interface configured to transmit, to a second base station, a first message for requesting the second base station to configure a user plane interface for a user equipment (UE) established between the second base station and a data transfer apparatus; and a reception interface configured to receive a first response for the first message, wherein the transmission interface is further configured to transmit, to a mobility management apparatus, via a control plane interface for the UE established between the first base station and the mobility management apparatus, a second message including a Tunnel Endpoint Identifier (TEID) of the user plane interface.
This invention relates to wireless communication systems, specifically to methods for establishing and managing user plane interfaces between base stations and data transfer apparatuses. The problem addressed is the efficient configuration and signaling of user plane interfaces in a network where multiple base stations and mobility management entities are involved in handling user equipment (UE) data sessions. The invention describes a first base station that includes a transmission interface and a reception interface. The transmission interface sends a first message to a second base station, requesting the second base station to configure a user plane interface for a UE between the second base station and a data transfer apparatus. The reception interface receives a first response from the second base station in reply to the first message. The transmission interface then sends a second message to a mobility management apparatus via a control plane interface established between the first base station and the mobility management apparatus. This second message includes a Tunnel Endpoint Identifier (TEID) of the user plane interface, which is used to identify the tunnel for data transfer. The invention ensures proper coordination between base stations and mobility management entities to establish and manage user plane interfaces, facilitating seamless data transfer for the UE. The use of TEIDs allows for efficient identification and routing of data packets within the network.
2. The first base station according to claim 1 , wherein the transmission interface is further configured to transmit, to the UE, a third message related to a Radio Resource Control (RRC) Connection Reconfiguration after the first response is received.
This invention relates to wireless communication systems, specifically improving the handling of radio resource control (RRC) procedures in cellular networks. The problem addressed is the need for efficient and reliable communication between a base station and user equipment (UE) during RRC connection reconfiguration, ensuring seamless service continuity and reduced signaling overhead. The invention involves a first base station in a wireless network that communicates with a UE. The base station includes a transmission interface configured to send a first message to the UE, prompting the UE to initiate an RRC connection reconfiguration procedure. The UE responds with a first response, which the base station receives. After receiving this response, the transmission interface sends a third message to the UE, which is related to the RRC connection reconfiguration. This third message may include updated configuration parameters or instructions to finalize the reconfiguration process. The invention also involves a second base station that receives a second message from the UE, which is related to the RRC connection reconfiguration. The second base station processes this message and sends a second response back to the UE. This ensures that the UE can complete the reconfiguration procedure with the new base station, maintaining connectivity and service quality. The system optimizes signaling efficiency and reduces latency during handover or reconfiguration scenarios, improving overall network performance.
3. The first base station according to claim 2 , wherein the reception interface is further configured to receive a second response for the third message.
A system for wireless communication involves a first base station that manages communication between user devices and a core network. The base station includes a transmission interface that sends a first message to a second base station, requesting information about a user device. The second base station responds with a second message containing the requested information. The first base station then sends a third message to the user device, instructing it to transition to a connected state. The user device responds with a fourth message, confirming the transition. The first base station also receives a second response for the third message, which may include additional data or acknowledgment from the user device or another network component. This system improves communication efficiency by ensuring proper state transitions and data exchange between devices and base stations, reducing latency and improving reliability in wireless networks. The invention addresses challenges in managing device states and maintaining seamless connectivity in dynamic wireless environments.
4. The first base station according to claim 1 , wherein the control plane interface is an S1-MME interface for the UE and is terminated in the first base station, and the user plane interface is an S1-U interface for the UE and is terminated in the second base station.
This invention relates to wireless communication systems, specifically to the architecture of base stations in a cellular network. The problem addressed is the efficient handling of control and user plane traffic in a distributed base station environment, where different components manage different types of traffic to optimize performance and resource allocation. The invention describes a first base station that includes a control plane interface and a user plane interface for a user equipment (UE). The control plane interface is an S1-MME interface, which is terminated in the first base station. This interface handles signaling and control functions, such as mobility management, authentication, and session management. The user plane interface is an S1-U interface, terminated in a second base station, and is responsible for transmitting and receiving user data between the UE and the core network. By separating the control and user plane functions across different base stations, the system improves scalability, reduces latency, and enhances overall network efficiency. The architecture allows the first base station to focus on control signaling while the second base station manages data traffic, enabling better load balancing and resource optimization. This design is particularly useful in scenarios where high data throughput and low-latency communication are required, such as in 4G and 5G networks.
5. The first base station according to claim 4 , wherein the S1-MME interface and the S1-U interface are used simultaneously.
A wireless communication system includes a first base station configured to communicate with a core network and a user device. The base station has an S1-MME interface for control signaling and an S1-U interface for user data transmission. The S1-MME interface connects the base station to a mobility management entity (MME) in the core network, facilitating control plane functions such as authentication, session management, and mobility tracking. The S1-U interface connects the base station to a serving gateway (S-GW) in the core network, enabling user plane data transfer between the base station and the core network. The base station is designed to simultaneously use both the S1-MME and S1-U interfaces, allowing concurrent control and data plane communication. This dual-interface operation ensures efficient handling of both signaling and user data, improving network performance and reliability. The system may also include additional base stations and core network components to support seamless mobility and high-speed data transmission. The invention addresses the need for optimized interface utilization in wireless networks to enhance communication efficiency and reduce latency.
6. The first base station according to claim 1 , wherein the transmission interface is further configured to transmit, to the second base station, a fourth message related to a second base station modification request.
This invention relates to wireless communication systems, specifically to methods for coordinating modifications between base stations in a network. The problem addressed involves efficiently managing changes in base station configurations, such as handover procedures or resource allocation adjustments, while minimizing service disruptions and ensuring seamless connectivity for user devices. The invention describes a system where a first base station communicates with a second base station to request modifications. The first base station includes a transmission interface that sends a fourth message to the second base station, which is related to a second base station modification request. This message facilitates coordination between the two base stations, allowing them to adjust their configurations dynamically. The system may also involve the first base station receiving a first message from a user device, processing this message to determine the need for modification, and then transmitting a second message to the second base station to initiate the modification process. Additionally, the first base station may receive a third message from the second base station confirming the modification, ensuring synchronization between the two base stations. The overall goal is to enable efficient and reliable updates to base station operations without interrupting ongoing communications.
7. A communication control method in a first base station, the method comprising: transmitting, to a second base station, a first message for requesting the second base station to configure a user plane interface for a user equipment (UE) established between the second base station and a data transfer apparatus; receiving a first response for the first message; and transmitting, to a mobility management apparatus, via a control plane interface for the UE established between the first base station and the mobility management apparatus, a second message including a Tunnel Endpoint Identifier (TEID) of the user plane interface.
This invention relates to communication control in wireless networks, specifically for managing user plane interfaces between base stations and data transfer apparatuses. The problem addressed is the efficient establishment and coordination of data transfer paths for user equipment (UE) in a network environment involving multiple base stations and mobility management entities. The method involves a first base station initiating communication with a second base station to configure a user plane interface for a UE. The first base station sends a first message to the second base station, requesting it to set up a user plane interface between the second base station and a data transfer apparatus. Upon receiving a first response from the second base station, the first base station then transmits a second message to a mobility management apparatus. This second message includes a Tunnel Endpoint Identifier (TEID) of the user plane interface, which is sent via a control plane interface established between the first base station and the mobility management apparatus. The TEID is used to identify the endpoint of the user plane tunnel, ensuring proper routing of user data. This approach streamlines the setup of data transfer paths, enabling seamless communication between network components while maintaining coordination through control plane signaling. The method ensures that the mobility management apparatus is aware of the user plane configuration, facilitating efficient data transfer and mobility management for the UE.
8. The method according to claim 7 , further comprising transmitting, to the UE, a third message related to a Radio Resource Control (RRC) Connection Reconfiguration after the first response is received.
In wireless communication systems, efficient management of radio resources is critical for maintaining reliable connections between user equipment (UE) and network nodes. A challenge arises when reconfiguring radio links to optimize performance, particularly in scenarios requiring rapid adjustments to connection parameters. This invention addresses this by providing a method for dynamically reconfiguring radio resource control (RRC) connections in response to network conditions or UE requirements. The method involves a network node, such as a base station, receiving a first message from a UE requesting a connection reconfiguration. The network node then transmits a second message to the UE, which includes configuration parameters for the reconfiguration. After receiving a first response from the UE acknowledging the second message, the network node transmits a third message to the UE, which is an RRC Connection Reconfiguration message. This third message further adjusts the connection parameters based on updated conditions or requirements, ensuring optimal performance and resource utilization. The method may also include additional steps, such as receiving a second response from the UE confirming the reconfiguration, and updating the connection state accordingly. This approach enhances flexibility and responsiveness in managing radio resources, improving overall network efficiency and user experience.
9. The method according to claim 8 , further comprising receiving a second response for the third message.
A system and method for message processing in a communication network addresses the challenge of efficiently handling message exchanges between devices. The invention involves transmitting a first message from a first device to a second device, where the first message includes a request for a specific action or data. The second device processes the first message and generates a first response, which is then transmitted back to the first device. The first device receives and processes this first response. Subsequently, the first device transmits a second message to the second device, which may include additional data or instructions. The second device processes this second message and generates a second response, which is transmitted back to the first device. The first device then receives and processes this second response. The system ensures reliable message exchange by confirming receipt and processing of each message, reducing errors and improving communication efficiency in networked environments. The method may be applied in various applications, including IoT devices, industrial automation, and distributed computing systems, where timely and accurate message processing is critical.
10. The method according to claim 7 , wherein the control plane interface is an S1-MME interface for the UE and is terminated in the first base station, and the user plane interface is an S1-U interface for the UE and is terminated in the second base station.
This invention relates to wireless communication systems, specifically to methods for managing control and user plane interfaces in a network architecture involving multiple base stations. The problem addressed is the efficient handling of signaling and data traffic between a user equipment (UE) and a core network, particularly in scenarios where different base stations manage different aspects of the connection. The method involves a system where a first base station handles the control plane interface for the UE, while a second base station manages the user plane interface. The control plane interface is an S1-MME interface, which is terminated in the first base station and facilitates signaling between the UE and the core network. The user plane interface is an S1-U interface, terminated in the second base station, and is responsible for transmitting user data between the UE and the core network. This separation allows for optimized resource allocation and load balancing, as control signaling and data traffic are managed independently by different base stations. The method ensures seamless communication by coordinating the interfaces while maintaining efficient network operation.
11. The method according to claim 10 , wherein the S1-MME interface and the S1-U interface are used simultaneously.
This invention relates to wireless communication systems, specifically improving network efficiency and reliability in mobile networks. The problem addressed is the need for simultaneous use of the S1-MME and S1-U interfaces in a mobile communication system to enhance performance and reduce latency. The S1-MME interface is used for control signaling between the mobile management entity (MME) and the base station (eNodeB), while the S1-U interface handles user data transmission between the serving gateway (S-GW) and the base station. By using both interfaces simultaneously, the system can optimize resource allocation, reduce signaling overhead, and improve data transfer efficiency. This approach ensures seamless coordination between control and data planes, leading to better network performance and user experience. The method involves configuring the base station to establish and maintain both interfaces concurrently, allowing for dynamic adjustment of network resources based on real-time conditions. This simultaneous operation helps in minimizing delays and improving the overall reliability of the communication system. The invention is particularly useful in scenarios requiring high-speed data transmission and low-latency communication, such as in 4G LTE and 5G networks.
12. The method according to claim 7 , further comprising transmitting, to the second base station, a fourth message related to a second base station modification request.
A method for managing base station modifications in a wireless communication network addresses the challenge of efficiently coordinating changes to base station configurations without disrupting ongoing communications. The method involves a first base station receiving a first message from a user equipment (UE) indicating a need for a base station modification, such as a handover or configuration update. The first base station then transmits a second message to a second base station, requesting the modification. The second base station evaluates the request and, if approved, sends a third message back to the first base station confirming the modification. The first base station then transmits a fourth message to the second base station, further detailing the second base station modification request, ensuring alignment between the base stations and the UE. This process enables seamless transitions and updates while maintaining service continuity. The method is particularly useful in scenarios requiring dynamic adjustments to base station parameters, such as load balancing or network optimization.
13. A radio communication system comprising: a user equipment (UE); a first base station; a second base station; and a mobility management apparatus, wherein the first base station is configured to transmit, to the second base station, a first message for requesting the second base station to configure a user plane interface for the UE established between the second base station and a data transfer apparatus, the second base station is configured to transmit a first response for the first message, and the first base station is further configured to transmit, to the mobility management apparatus, via a control plane interface for the UE established between the first base station and the mobility management apparatus, a second message including a Tunnel Endpoint Identifier (TEID) of the user plane interface.
This technical summary describes a radio communication system designed to improve mobility management and data transfer efficiency in wireless networks. The system addresses challenges in seamless handover and efficient data routing by coordinating between multiple base stations and a mobility management apparatus. The system includes a user equipment (UE), a first base station, a second base station, and a mobility management apparatus. The first base station initiates the process by sending a first message to the second base station, requesting the second base station to establish a user plane interface for the UE with a data transfer apparatus. The second base station responds with a first response message. The first base station then transmits a second message to the mobility management apparatus via a control plane interface, where the second message includes a Tunnel Endpoint Identifier (TEID) of the user plane interface. This TEID is used to identify and manage the data tunnel between the second base station and the data transfer apparatus, ensuring proper routing of user data during handover or mobility events. The system enhances coordination between network elements, reducing latency and improving data transfer reliability in mobile communication environments.
14. The radio communication system according to claim 13 , wherein the first base station is further configured to transmit, to the UE, a third message related to a Radio Resource Control (RRC) Connection Reconfiguration after the first response is received.
A radio communication system addresses the challenge of efficiently managing communication between a user equipment (UE) and a network, particularly during handover or connection reconfiguration procedures. The system includes a first base station that receives a first message from the UE, such as a handover request or connection setup request. In response, the first base station transmits a first response to the UE, which may include configuration parameters or acknowledgment of the request. The system further includes a second base station that receives a second message from the UE, such as a handover completion message or a connection reconfiguration request, and transmits a second response to the UE. The first base station is also configured to transmit a third message to the UE after receiving the first response, where the third message is related to Radio Resource Control (RRC) Connection Reconfiguration. This ensures seamless communication and proper resource allocation during transitions between base stations or connection states. The system optimizes signaling efficiency and reduces latency by coordinating messages between the UE and multiple base stations, ensuring reliable and uninterrupted communication.
15. The radio communication system according to claim 14 , wherein the UE is configured to transmit a second response for the third message.
A radio communication system addresses the challenge of efficient signaling and resource management in wireless networks, particularly for user equipment (UE) devices. The system includes a base station and a UE, where the base station transmits a first message to the UE, prompting the UE to perform a specific action, such as resource allocation or synchronization. The UE then transmits a first response to the base station, acknowledging receipt of the first message or confirming the action. The base station subsequently sends a second message to the UE, which may include additional instructions or data. The UE processes this second message and transmits a first response, indicating its status or completion of the requested action. The base station then sends a third message to the UE, which may involve further configuration or control. The UE processes this third message and transmits a second response, confirming receipt or execution of the instructions. This multi-step signaling process ensures reliable communication and proper resource management between the base station and the UE, improving network efficiency and performance. The system may be used in various wireless communication standards, such as 5G or beyond, to enhance signaling protocols and reduce latency.
16. The radio communication system according to claim 13 , wherein the control plane interface is an S1-MME interface for the UE and is terminated in the first base station, and the user plane interface is an S1-U interface for the UE and is terminated in the second base station.
This invention relates to a radio communication system designed to optimize network resource allocation by separating control plane and user plane functions across different base stations. The system addresses the challenge of efficiently managing signaling and data traffic in wireless networks, particularly in scenarios where centralized control is beneficial but user plane processing should be distributed for performance or load-balancing reasons. The system includes a first base station configured to handle control plane functions for a user equipment (UE), terminating the S1-MME interface, which is used for signaling and mobility management. A second base station is responsible for user plane functions, terminating the S1-U interface, which carries the actual data traffic. This separation allows the control plane to be centralized or managed by a specific base station while offloading data processing to another base station, improving flexibility and scalability. The system may also include a core network element that communicates with both base stations to coordinate control and data traffic. The invention enables efficient resource utilization by dynamically assigning control and user plane functions to different base stations based on network conditions, UE mobility, or traffic patterns. This architecture reduces signaling overhead and enhances data throughput by distributing processing loads. The system is particularly useful in heterogeneous networks where different base stations may have varying capabilities or coverage areas.
17. The radio communication system according to claim 1 , wherein the S1-MME interface and the S1-U interface are used simultaneously.
A radio communication system is designed to improve network efficiency and reliability by utilizing multiple interfaces simultaneously. The system includes a base station, a mobility management entity (MME), and a serving gateway (S-GW). The base station communicates with user equipment (UE) over a radio interface, while the MME handles control signaling and the S-GW manages user data traffic. The system employs an S1-MME interface for control signaling between the base station and the MME, and an S1-U interface for user data transmission between the base station and the S-GW. The innovation involves using both the S1-MME and S1-U interfaces concurrently to enhance performance. By operating these interfaces simultaneously, the system ensures seamless coordination between control and data planes, reducing latency and improving resource utilization. This dual-interface approach allows for more efficient handling of both signaling and data traffic, particularly in high-demand scenarios. The system is particularly useful in LTE and 5G networks where low latency and high reliability are critical. The simultaneous use of these interfaces helps maintain stable connections and optimize network performance under varying load conditions.
18. The radio communication system according to claim 13 , wherein the first base station is further configured to transmit, to the second base station, a fourth message related to a second base station modification request.
A radio communication system addresses the challenge of efficiently managing base station modifications in a network environment. The system includes a first base station and a second base station, where the first base station is configured to transmit a fourth message to the second base station. This fourth message is related to a second base station modification request, indicating a request to alter or update the configuration, operation, or parameters of the second base station. The modification request may involve changes such as adjusting transmission power, modifying cell coverage areas, updating scheduling algorithms, or reconfiguring radio resources. The system ensures seamless coordination between base stations to maintain network performance and service continuity during modifications. The first base station may also handle other functions, such as transmitting a first message to a user equipment (UE) to request a measurement report, receiving the measurement report from the UE, and transmitting a second message to the second base station to request a modification of the second base station based on the measurement report. Additionally, the first base station may transmit a third message to the UE to indicate a modification of the second base station, ensuring the UE is aware of any changes that may affect its communication. The system optimizes network efficiency by dynamically adapting base station configurations in response to real-time conditions and user requirements.
19. The radio communication system according to claim 13 , wherein the UE comprises: a radio communication unit; and a control unit configured to receive configuration information of the user plane interface from the first base station, and to control the radio communication unit so as to receive or transmit user data through a second cell served by the second base station.
A radio communication system addresses the challenge of efficiently managing user plane interfaces in wireless networks, particularly in scenarios involving multiple base stations. The system includes a user equipment (UE) device with a radio communication unit and a control unit. The control unit receives configuration information for the user plane interface from a first base station. This configuration enables the UE to establish and manage communication links for user data transmission. The radio communication unit is then controlled to receive or transmit user data through a second cell, which is served by a second base station. This setup allows the UE to dynamically switch or utilize multiple cells for data transmission, improving flexibility and reliability in data handling. The system ensures seamless data flow by coordinating between the first and second base stations, optimizing resource allocation and reducing latency in user plane communications. The UE's ability to adapt to different cell configurations enhances overall network performance and user experience.
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March 10, 2020
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